21913740290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{631}}^1\times {\mathrm{267143}}^1$

素因数の和:267794

約数の個数: 32

約数和(自身を含む): 42546422016

約数和(自身を除く): 20632681726

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 631, 1262, 3155, 6310, 8203, 16406, 41015, 82030, 267143, 534286, 1335715, 2671430, 3472859, 6945718, 17364295, 34728590, 168567233, 337134466, 842836165, 1685672330, 2191374029, 4382748058, 10956870145, 21913740290]

約数ペア:

[(1, 21913740290), (2, 10956870145), (5, 4382748058), (10, 2191374029), (13, 1685672330), (26, 842836165), (65, 337134466), (130, 168567233), (631, 34728590), (1262, 17364295), (3155, 6945718), (6310, 3472859), (8203, 2671430), (16406, 1335715), (41015, 534286), (82030, 267143)]